Hair dryer attachment



FIG. 1 is a perspective view showing my new design for a hair dryer attachment;

FIG. 2 is a side elevational view of a first transverse side;

FIG. 3 is a side elevational view of the transverse side opposite to FIG. 2;

FIG. 4 is a top plan view;

FIG. 5 is a bottom plan view; and

FIG. 6 is an end elevational view. 

The ornamental design for a hair dryer attachment, as shown. 